Copying apparatus

Details Copying apparatus Copying apparatus

1989-01-04

1992-01-14

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355207, 355311, 355313, G03G 1500

Patent

active

050814893

ABSTRACT:
A copying apparatus having an automatic original document feeder (ADF unit), which includes a sheet size detecting system for detecting each size of original documents fed by the ADF unit and a boundary detecting system for detecting a boundary between sets of originals which are placed on a tray of the ADF unit. The boundary detecting system discriminates the boundary between sets of originals based on a variation of the size of the original document, of which the size is detected by the sheet size detecting system.

REFERENCES:
patent: 4211483 (1980-07-01), Hannigan et al.
patent: 4609283 (1986-09-01), Murata et al.
patent: 4920384 (1990-04-01), Okamoto
patent: 4980721 (1990-12-01), Ishikawa et al.
Reid et al., Industrial Opportunities Ltd., Research Disclosure #150, Oct. 1976.

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